This Math quiz is called 'Algebra - nth Term' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.
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The letter n (usually in italics) is often used in algebra to indicate the position of a term in a sequence. This can be a little difficult to grasp but work through this Math quiz (and read the helpful comments!) and you will soon get the idea.
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In the 1st term the value of n will be 1 and therefore the answer can be found as follows: (3 x 1) + 1
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The answer can be found as follows: (3 x 3) + 1
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We are told that we need the 8th term. We put an 8 where the n is and then work it out: (3 x 8) + 1
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(14 x 2) - 6
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(4 + 1)2
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(2 x 3)2 + 1
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(5 x n) + 1
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These are known as square numbers. The 1st number in the sequence is 1 x 1; the 2nd number is 2 x 2; the 3rd number is 3 x 3 etc.
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These are known as cube numbers. The 1st number in the sequence is 1 x 1 x 1; the 2nd number is 2 x 2 x 2; the 3rd number is 3 x 3 x 3 and the 4th number will be 4 x 4 x 4
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This is known as the Fibonacci sequence. To find each number you add together the two previous numbers. After 13 comes 21 (8 + 13) and then comes 34 (21 + 13)
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